Flower box



FIG. 1 is a front isometric view of a flower box in accordance with the new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a front side elevation view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depict portions of the flower box that form no part of the claim. 

CLAIM The ornamental design for a flower box, as shown and described. 